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CVE-2026-56393

Craft CMS 4.x (>= 4.0.0-RC1, < 4.17.0-beta.1) and 5.x (>= 5.0.0-RC1, < 5.9.0-beta.1) contain multiple stored cross-site scripting vulnerabilities where settings names and field option labels are rendered without sanitization (e.g., via the checkbox.twig template, which used {{ label|raw }}). An authenticated administrator (with allowAdminChanges enabled) can inject malicious payloads into section names, volume names, user group names, global set names, generated field names, checkbox/radio optio
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e766f23df86dea41f32ca4badd38ab54deb88749c7128ea2a82ec110e59787bd
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4602bcfc1d42d3d5fc59ae386a23b85f5b3c899923168f47192f17f31fe23d7b · sha256:1a57bca14063fede… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":4.6,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact"…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4602bcfc1d42d3d5fc59ae386a23b85f5b3c899923168f47192f17f31fe23d7b · sha256:1a57bca14063fede… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:composer/craftcms/cms","product":"cms","vendor":"craftcms","versions":[{"lessThan":"5.9.0-beta.1","status":"affected","version":"5.0.0-RC1","versionType":"semver"},{"status":"unaffected","version":"5.9.0-beta.1","versionType":"semver"},{"lessThan":"4.17.0-beta.1","status":"affected","version":"4.0.0-RC1","versionType":"semver"},{"status":"unaffected","version":"4.17.0-beta.1","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4602bcfc1d42d3d5fc59ae386a23b85f5b3c899923168f47192f17f31fe23d7b · sha256:1a57bca14063fede… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4602bcfc1d42d3d5fc59ae386a23b85f5b3c899923168f47192f17f31fe23d7b · sha256:1a57bca14063fede… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":4.6,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4602bcfc1d42d3d5fc59ae386a23b85f5b3c899923168f47192f17f31fe23d7b · sha256:1a57bca14063fede… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4602bcfc1d42d3d5fc59ae386a23b85f5b3c899923168f47192f17f31fe23d7b · sha256:1a57bca14063fede… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/craftcms/cms/commit/67780a778c6ec04e68e64a0b1177c168306144a2","tags":["patch"],"url":"https://github.com/craftcms/cms/commit/67780a778c6ec04e68e64a0b1177c168306144a2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4602bcfc1d42d3d5fc59ae386a23b85f5b3c899923168f47192f17f31fe23d7b · sha256:1a57bca14063fede… · /containers/cna/references/2
{"name":"https://github.com/craftcms/cms/commit/943152d2246b36f12adf161a03b8695b773d9276","tags":["patch"],"url":"https://github.com/craftcms/cms/commit/943152d2246b36f12adf161a03b8695b773d9276"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4602bcfc1d42d3d5fc59ae386a23b85f5b3c899923168f47192f17f31fe23d7b · sha256:1a57bca14063fede… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/craftcms/cms/security/advisories/GHSA-4mgv-366x-qxvx"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4602bcfc1d42d3d5fc59ae386a23b85f5b3c899923168f47192f17f31fe23d7b · sha256:1a57bca14063fede… · /containers/adp/0/references/0
{"name":"GHSA Advisory GHSA-4mgv-366x-qxvx","tags":["vendor-advisory"],"url":"https://github.com/craftcms/cms/security/advisories/GHSA-4mgv-366x-qxvx"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4602bcfc1d42d3d5fc59ae386a23b85f5b3c899923168f47192f17f31fe23d7b · sha256:1a57bca14063fede… · /containers/cna/references/0
{"name":"VulnCheck Advisory: Craft CMS - Multiple Stored Cross-Site Scripting in Settings Names and Field Options","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/craft-cms-multiple-stored-cross-site-scripting-in-settings-names-and-field-options"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4602bcfc1d42d3d5fc59ae386a23b85f5b3c899923168f47192f17f31fe23d7b · sha256:1a57bca14063fede… · /containers/cna/references/3

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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